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Chapter 3: Classification of Matter Flashcards | StudBud
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Chapter 3: Classification of Matter
Chapter 3: Classification of Matter
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1
Which method can be used to separate a mixture of salt and water?
sifting
evaporation
magnets
weight
2
Coffee is an example of a:
homogeneous mixture
heterogeneous mixture
3
Which of the following is a PURE SUBSTANCE?
colloid
element
mixture
solution
4
A pure substance made of two or more elements CHEMICALLY combined is called a(n):
mixture
compound
chemistry
atom
5
A solution that is able to dissolve other substances is called a:
Dissolving Agent
Solvent
Magic Liquid
Solute
6
Which of the following is a compound
Na
H
He
H2SO4
7
Susie collects ocean water at the beach. The next day she noticed sand settled at the bottom of the jar. Why?
Susie should have taken more ocean water
Susie did not leave the ocean water on the counter for long enough
The sample of water was a suspension that settled when allowed to stand
sand does not dissolve easily in salt water
8
Anything that has mass and takes up space is called:
volume
matter
density
mass
9
Gatorade is (homogeneous/heterogeneous)
heterogeneous
homogeneous
10
Na, Ne, Fe are all chemical symbols for:
molecules
compounds
mixtures
elements
11
What is the smallest amount of compound you can have?
molecule
gram
atom
substance
12
What is the best method you can use to separate sand and iron particles?
tweezers
pour the mixture into a filter
add water to the mixture
magnet
13
Two or more elements chemically combined is a(n):
compound
element
heterogeneous mixture
homogeneous mixture
14
Water (H
2
O) and Salt (NaCl) are both examples of:
heterogeneous mixtures
compounds
homogeneous mixtures
elements
15
A mixture that is the same throughout is a(n):
element
compound
homogeneous mixture
heterogeneous mixture
16
What is the subscript in the following formula: 5C
3
OH
8
3
5
15
17
The compound, Carbon Dioxide, has the chemical formula of CO
2.
How many different elements are in Carbon Dioxide?
3
4
1
2
18
How many Hydrogens are in the following formula? (H
2
N)
2
OK
3
3
4
2
1
19
What can be separated by physical means?
element
mixture
compound
chemical
20
What is an example of a heterogeneous mixture?
apple juice
ham sandwich
pop
chocolate ice cream
21
In the formula 6CO
4,
the coefficient is:
4
6
1
24
22
Sugar (C
6
H
12
O
6)
and Water (H
2
O) are both examples of:
heterogeneous mixtures
homogeneous mixtures
elements
compounds
23
Chicken Noodle Soup is an example of:
homogeneous mixture
heterogeneous mixture
24
In the formula for glucose, C
6
H
12
O
6
, how many atoms of hydrogen are indicated?
24
6
12
1
25
Which of the following is a characteristic of a homogeneous mixture?
a mixture in which two or more substances are still distinguished
a mixture in which large particles are suspended
a mixture in which two or more substances are evenly distributed
a mixture in which large particles are not suspended and eventually settle
26
Tiny particles that make up all matter are called:
atoms
minerals
genes
cells
27
Carbon (C) and Hydrogen (H) are both examples of:
compounds
elements
heterogeneous mixtures
homogeneous mixtures
28
A substance dissolved in another substance is the
Meltaway
Solvent
Solute
Disappearing element
29
Which one is NOT a mixture?
tacos
gold
M&M Cookies
fruit salad
30
All of the following are elements, except...
calcium
water
carbon
hydrogen
31
A mixture that is different throughout is a(n):
compound
heterogeneous mixture
element
homogeneous mixture
32
A ______ is the smallest amount of a compound you can have.
molecule
solution
mixture
atom
33
How many Sulfurs are in the following formula: K(SO
4
)
3
3
4
12
7
34
Is Sand a heterogeneous or homogeneous mixture?
heterogeneous
homogeneous
